Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.

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2
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1answer
105 views

Setting an alarm until acknowledgment (Nagios\Icinga)

I am SNMP polling a router and checking the amount of errors on an interface. Since SNMP counters can not be cleared on the device I am storing the last value received in a temp file. If there is an ...
0
votes
1answer
174 views

Nagios: bash is missing

I'm monitoring NTP server with nagios and nrpe, at the nagios server, when I get the following error: Service Status UNKNOWN Status information I am missing an important component : bash The plugin ...
1
vote
1answer
488 views

NRPE: Unable to read output CentOS6

I am monitoring a CentOS 6 machine with NTP service installed. The monitoring server is a CentOS 5 machine with Nagios and Centreon. I'm using NRPE for monitoring remote hosts, and I get the following ...
0
votes
3answers
173 views

Is there a way to programmatically add a service to Nagios?

This question is only about creating services, i.e. we already know how to write Nagios plugins and set them up as services. I'd like to write a Python script to read each row of a MySQL database ...
0
votes
3answers
300 views

Getting alerts from remote Icinga/Nagios instance

I have an Icinga server (which is basically a fork of Nagios) at one of my clients' sites. I access the server via ssh and don't have access to other ports. Since there are a couple of things that ...
0
votes
1answer
78 views

Custom Nagios script not firing

Recently we've been experiencing a lot of spam hitting our servers causing apache to topple over. To tackle this we've installed nagios to notify us/run some restart commands if the issue arises. ...
-2
votes
2answers
90 views

I need help understanding how to set warn and critical thresholds for Nagios

I need help understanding how to set warn and critical thresholds for Nagios. I am currently using Nagios3 & NRPE & NSCLIENT. I have created a custom powershell script to check for running ...
0
votes
1answer
32 views

Adding extra Host details in Nagios

We are using Nagios to monitor our infrastructure, and i was wondering if there was any way to add extra information to a host (model, purchase date etc) Ideally i would like to be able to set this ...
1
vote
0answers
183 views

Nagios 3.5 doesn't send notifications

The automated notifications from Nagios 3.5.0 (on Ubuntu) don't seem to work and the error given is "No contacts were found for notification purposes. No notification was sent out". The below can be ...
0
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3answers
188 views

Text only nagios page

I was wondering if it is possible to set up nagios to both display its normal page (e.g. critical alerts) in its normal format (red for all alerts on its critical page) and in a basic text format (no ...
2
votes
3answers
273 views

Notify when a message did not occur

In Nagios it is easy to check that a log message happened in the last 48 hours and sound alarm. But how can I configure Nagios that it should sound alarm when a message did not occur in the last 48 ...
0
votes
2answers
46 views

Nagios - Service checks for all but notify in work hours for some

I have a group of machines all running the same checks. Within this group there are dev machines and prod machines. I only want to be alerted to the checks after hours when the machines are prod ...
0
votes
3answers
2k views

How to export a list of all monitored hosts in Nagios?

In Nagios 2 and 3, I'm looking for a way to export a list of all monitored hosts to either CSV or XML or something similar.
0
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1answer
224 views

Re-process all nagios data with pnp4nagios

I have moved to a new nagios installation (new server). I have transfered the data from the original server (/var/log/nagios2/archives) to my new server (/var/log/nagios3/archives) (I think they have ...
1
vote
2answers
277 views

nagios servicedependency wildcard not expanding

to reach customer-es-prd-dobb1, the packets must traverse a (client based) vpn via the host "cust-client-vpn". The intermediary host has a check named "customer-prod-vpn" which monitors the health of ...
1
vote
1answer
423 views

nagios - https active service fails (error while receiving)

I want to check the availability of a SSL Web site (https) with nagios. I have add a command to the command.cfg: define command{ command_name check_http_myserver_Demo command_line ...
0
votes
2answers
1k views

Nagios: Internal Server Error on fresh install

I've installed Nagios on a new server following the instructions from the site below: http://sharadchhetri.com/2012/08/05/installing-nagios-3-4-centos-6-3/ The upshot is: yum install nagios ...
0
votes
1answer
67 views

Why is “Nagios Not Running” in availability report 0 when alert log shows it down for long period

Back in February our nagios host was shut down for almost 40 minutes. From my alert log: [02-06-2013 13:39:54] Nagios 3.4.4 starting... (PID=3687) [02-06-2013 13:01:17] Caught SIGTERM, shutting ...
0
votes
0answers
151 views

nagios volatile service and system time change warning

I have a nagios service with volatile option on (executes event handler every time it encounters a non-ok hard state). Problem is that if the event handler executes for 2-3 times (that is the expected ...
0
votes
1answer
232 views

Nagios Make Error

I'm having an issue with installing a nagios server. I'm not linux genius but I know a bit of the basics but I wasn't really sure where to go from here. I think I've got all the dependencies ...
1
vote
3answers
194 views

Nagios 'exclude' directive does not exclude timeframes

I tried to set up my nagios install to check the availability of a SMTP service outside its backup hours. Unfortunately, it seems to be ignoring this configuration: # a timeperiod to check only ...
3
votes
1answer
2k views

CHECK_NRPE: Error - Could not complete SSL handshake

I've just moved to a new nagios server and have got all the old hosts/services working. There is just one host that will not allow nrpe checks, producing an error on the nagios server as in the title. ...
2
votes
2answers
2k views

Nagios - new user doesn't get enabled permissions

I follow simple steps from guides all over the web: a) add an user to Nagios via command htpasswd htpasswd.users username b) in cgi.cfg file add this user to lines: ...
2
votes
1answer
225 views

Nagios, Cisco switches, lost packets

I use Nagios to monitor about 30 Cisco 2960 switches (check_snmp_load, check_snmp_int). I only check load and one or two backbone interfaces of every switch. I get a lot of false positives caused by ...
0
votes
1answer
99 views

Nagios has stopped sending notifications

Our Nagios server has stopped sending email notifications. If I run the notify-by-host or notify-by-service commands directly, I get email, and everything works as I expect. When a notification is ...
1
vote
1answer
603 views

Nagios/NRPE how to check all filesystems mounted below opt

I have multiple mount points beneath /opt/virt/img, each of them an LVM logical volume formatted with ext4 and containing a qcow2 disk image for a running VM. I want to know when those volumes are ...
1
vote
1answer
73 views

Exec when service is ok with monit

I need to run a shell script if a service is ok with monit, to link to my other monitoring system (nagios). Basically what I need to achieve is to make monit send an alert when a service was ...
1
vote
0answers
877 views

Nagios: check services being orphaned?

Recently I noticed that there are some warnings in the nagios.log: [1366060611] Warning: The check of service 'pt-deadlock-logger' on host 'xx' looks like it was orphaned (results never came back). ...
0
votes
1answer
76 views

How to remove size information, coming from check_http plugin output?

I am currently getting the following output while running check_http: HTTP OK: HTTP/1.1 200 OK - 6654 bytes in 0.071 second response time |time=0.070809s;200.000000;1000.000000;0.000000 ...
0
votes
2answers
182 views

Update nagios from 3.3 to 3.5 on a fedora server

I am currently using a Fedora 15 server and I have Nagios 3.3.1 installed already. I want to update it to 3.5.0. How can I do that? Tried to do fresh installation using the steps of ...
1
vote
1answer
399 views

installing Nagios 3.5.0 on CentOS 6

Hi I am getting the following errors when i run make all /usr/bin/install: cannot stat `nagios': No such file or directory make[2]: *** [install-basic] Error 1 make[2]: Leaving directory ...
0
votes
2answers
134 views

Nagios and Switches NOOB

I need some help, I want to monitor the DGS-1024D which is a business grade d-link switch. I have no current way of knowing if any of these have IP addresses on the switch or if there is away to ...
0
votes
1answer
1k views

nagios not sending notification email

Nagios not sending notification for my services. I have two service called PING and STATUS in nagios localhost. PING service check host availability using ping command and STATUS service get the SNMP ...
1
vote
1answer
428 views

Nagios: Send Escalation Alert if issue is Acknowledged but not Recovered (OK State)

I think I know the answer (not possible) - but want to see if anyone has a clever idea or perhaps I'm just wrong about the issue. Goal We want our shift managers to be notified of service outages ...
1
vote
0answers
206 views

Can I hide hosts with “No matching services” in Nagios Groups?

In the Nagios web interface, I want to offer a user access to particular services on one particular host: "you can monitor the status of http and your wordpress installation". It works well in the ...
1
vote
1answer
45 views

What agent is this nagios host using (if any)

I disabled nrpe via service nrpe stop. It is not running. Neither is snmpd running. I still have seen the status checks for disk space, ping, http, etc all running for this host. How do I ...
0
votes
2answers
162 views

Nagios: check local interface statistics

Is there any simple solution (nagios check script) to monitor local interface statistics? Of course I could do it by SNMP (e.g. check_snmp_int) but I don't think it is necessary to run SNMP agent for ...
0
votes
1answer
356 views

How to remotely monitor the windows LPD service from Nagios

We have a Windows Server 2003 R2 machine running an LPD service for us as part of an ERP implementation. I use Nagios to monitor the network and have this host set up already. I am now trying to set ...
0
votes
2answers
259 views

Nagios http url check fails with “Temporary failure in name resolution”

I'm trying to configure a http_check using the -u parameter to check a specific URL, but while this works fine from the command line, the nagios check only returns Temporary failure in name resolution ...
0
votes
1answer
182 views

Can Nagios be configured to re-send recovery notifications periodically?

I have an environment where I centrally monitor with Nagios a number of customer environments. The idea here is not to fully manage these environments, but rather let the environment be largely ...
0
votes
2answers
80 views

Nagios Monitoring Text on a Website contents

I need a plugin that allows me to nagios looking for a well-defined text in the content of my web page. if the text is found I would ok sion error who can help me please
1
vote
3answers
2k views

Nagios email notification not working on CentOS

I have configured Nagios 3.4.4 on CentOS 6.3 Final. I have also configured Postfix with SMTP email server. I have verified from console that I am able to send email notifications and recieved them on ...
1
vote
1answer
169 views

How to monitor server resources? [duplicate]

I would like to monitor the resources of my servers such as CPU, memory, disk space and many other things. I'm using Nagios + Centreon to do this, but I would like to have a historical view of the use ...
0
votes
0answers
910 views

Nagios NRPE: Command 'check_procs' not defined but works when run manually

I know there are a lot of other similar posts, however none of them have fixes for my problem. I have Nagios Core 3.2.0 running on a 64bit Ubuntu 10.04.4 LTS server. I am trying to check if the ...
2
votes
1answer
618 views

Nagios: Service dependency on same host for an entire hostgroup

I have a Nagios system with a large number of hosts categorised in different hostgroups. Each of these hosts has two services monitored on it, one of which is intended to be dependent on the other - ...
1
vote
5answers
116 views

Random server in the nagios service

I have a cluster of N nodes which contains some distributed information. The query i want to monitor with nagios make sense to execute only on one node of the cluster (any). But i don't want to ...
0
votes
1answer
295 views

NSClient++: Invalid return code -1073741502

I got a problem with NSClient++ (version 0.3.8.76). I set up an external script handler, and it was working. But since some time it returns this, everytime i run the check: No output available from ...
2
votes
2answers
852 views

Nagios check_http - checking tomcat application status with regex & linespan

I wan't to check with our Nagios if a webapplication is running on Tomca7. I decided to use the check_http plugin with regex. I'm parsing the status-page of tomcat and check if column "Running" is ...
0
votes
1answer
170 views

Beginner trying to install nagios plugin.

I have setup Nagios following the quickstart guide and have managed to get a few servers monitored. good. Now, Nagios plugins are new to me and as a result I have no idea what I need to do to get ...
0
votes
2answers
549 views

Nagios NRPE on Ubuntu 12.04 “Unable to read output”

Right to the point. NRPE.CFG Modifications: Added Nagios Host to Allowed: allowed_hosts=127.0.0.1,192.168.1.10 Removed # in front of command_prefix=/usr/bin/sudo After that i have reloaded the ...